1. Discipline of General Practice, School of Medicine, National University of Ireland Galway, 1 Distillery Road, Galway H91 TK33, Ireland
2. Irish Centre for Applied Patient Safety and Simulation, National University of Ireland Galway, Co. Galway H91 TK33, Ireland
3. Health Research Board, 67-72 Lower Mount Street, Dublin D02 H638, Ireland
4. School of Medicine, National University of Ireland Galway, Co. Galway H91 TK33, Ireland